List of usage examples for com.mongodb.gridfs GridFS remove
public void remove(final DBObject query)
From source file:com.imaginea.mongodb.services.GridFSServiceImpl.java
License:Apache License
/** * Service implementation for dropping all files from a GridFS bucket. * * @param dbName Name of Database/* www .j av a 2 s . c o m*/ * @param bucketName Name of GridFS Bucket * @returns Status message. */ public String dropBucket(String dbName, String bucketName) throws DatabaseException, DocumentException, ValidationException { mongoInstance = mongoInstanceProvider.getMongoInstance(); if (dbName == null) { throw new EmptyDatabaseNameException("Database name is null"); } if (dbName.equals("")) { throw new EmptyDatabaseNameException("Database Name Empty"); } if (bucketName == null) { throw new EmptyCollectionNameException("Bucket name is null"); } if (bucketName.equals("")) { throw new EmptyCollectionNameException("Bucket Name Empty"); } String result = null; try { if (!mongoInstance.getDatabaseNames().contains(dbName)) { throw new UndefinedDatabaseException("DB [" + dbName + "] DOES NOT EXIST"); } GridFS gridFS = new GridFS(mongoInstance.getDB(dbName), bucketName); gridFS.remove(new BasicDBObject()); } catch (MongoException e) { throw new DeleteDocumentException("FILES_DELETION_EXCEPTION"); } result = "All files in [" + bucketName + "] have been deleted"; return result; }
From source file:com.spring.tutorial.controllers.DefaultController.java
@RequestMapping(value = "/my-drive/delete", method = RequestMethod.POST) public @ResponseBody String delete(HttpServletRequest request) throws UnknownHostException, Exception { MongoData mongoData = new MongoData(); DB db = mongoData.getDB();/*from w w w . ja v a2 s.c o m*/ DBCollection collection = db.getCollection(request.getSession().getAttribute("id") + "_files_meta"); BasicDBObject document = new BasicDBObject(); String fileID = request.getParameter("fileID").toString(); document.put("file-id", new ObjectId(fileID)); collection.remove(document); document = new BasicDBObject(); GridFS gfs = new GridFS(db, request.getSession().getAttribute("id").toString() + "_files.files"); document.put("_id", new ObjectId(fileID)); gfs.remove(document); collection.remove(document); return fileID; }
From source file:eu.eubrazilcc.lvl.storage.mongodb.MongoDBConnector.java
License:EUPL
/** * Removes a file (with all its versions) from the specified name space. * @param namespace - (optional) name space where the file was stored under. When nothing specified, the default bucket is used * @param filename - filename to be removed from the database *//*from ww w. j a va 2 s. c o m*/ public void removeFile(final @Nullable String namespace, final String filename) { checkArgument(isNotBlank(filename), "Uninitialized or invalid filename"); final DB db = client().getDB(CONFIG_MANAGER.getDbName()); final GridFS gfsNs = isNotBlank(namespace) ? new GridFS(db, namespace.trim()) : new GridFS(db); gfsNs.remove(filename); }
From source file:eu.eubrazilcc.lvl.storage.mongodb.MongoDBConnector.java
License:EUPL
/** * Deletes the latest version from the database. When a previous version exists for the file in the specified namespace, the latest * uploaded version will be the new latest version. * @param namespace - (optional) name space where the file was stored under. When nothing specified, the default bucket is used * @param filename - filename to be removed from the database *//*w w w .j av a 2 s .co m*/ public void undoLatestVersion(final @Nullable String namespace, final String filename) { checkArgument(isNotBlank(filename), "Uninitialized or invalid filename"); final String filename2 = filename.trim(); final DB db = client().getDB(CONFIG_MANAGER.getDbName()); final GridFS gfsNs = isNotBlank(namespace) ? new GridFS(db, namespace.trim()) : new GridFS(db); try { // remove latest version from the database gfsNs.remove(new BasicDBObject(FILE_VERSION_PROP, filename2)); } finally { // enforce versioning property by always restoring the latest version in the database restoreLatestVersion(gfsNs, filename2); } }
From source file:fr.wseduc.gridfs.GridFSPersistor.java
License:Apache License
private void removeFile(Message<Buffer> message, JsonObject json) { JsonObject query = json.getObject("query"); if (query == null) { return;/*from w w w. j av a2 s.co m*/ } GridFS fs = new GridFS(db, bucket); try { fs.remove(jsonToDBObject(query)); replyOK(message, null); } catch (MongoException e) { replyError(message, e.getMessage()); } }
From source file:fr.wseduc.resizer.GridFsFileAccess.java
License:Apache License
@Override public void write(String dest, ImageFile img, Handler<String> handler) { String[] path = parsePath(dest); if (path == null || path.length < 1) { handler.handle(null);//from w w w . j a v a2 s .c o m return; } String id; if (path.length == 2 && path[1] != null && !path[1].trim().isEmpty()) { id = path[1]; } else { id = UUID.randomUUID().toString(); } GridFS fs = new GridFS(db, path[0]); try { saveFile(img, id, fs); } catch (DuplicateKeyException e) { fs.remove(new BasicDBObject("_id", id)); saveFile(img, id, fs); } handler.handle(id); }
From source file:in.mtap.iincube.mongoapi.GridFsUpdater.java
License:Apache License
@Override public Boolean execute() { GridFS gridFS = getGridFs(); gridFS.remove(filename); GridFSInputFile file = gridFS.createFile(stream); file.setContentType(contentType);/*from w w w . j av a 2s. c o m*/ file.setFilename(filename); file.save(); return true; }
From source file:io.liveoak.mongo.gridfs.GridFSBlobResource.java
License:Open Source License
public void delete(RequestContext ctx, Responder responder) throws Exception { GridFSDBObject info = fileInfo();//from w w w .j av a2 s. c om if (info.getId() == null) { responder.noSuchResource(id()); return; } GridFS gridfs = getUserspace().getGridFS(); gridfs.remove(info.getId()); info.dbObject().put("length", 0L); info.dbObject().put("contentType", null); responder.resourceDeleted(this); }
From source file:io.liveoak.mongo.gridfs.GridFSBlobResource.java
License:Open Source License
private GridFSFilesPathItemResource pushToDB(RequestContext ctx, MediaType contentType, GridFSDBObject fileInfo, Supplier contentProvider) throws IOException { ObjectId currentId = fileInfo.getId(); boolean fileExists = currentId != null; // update the targeted userspace - hopefully current user has rights to do that GridFS gridfs = getUserspace().getGridFS(); Object content = contentProvider.get(); GridFSInputFile blob;//from w w w.j ava 2s . c o m if (fileExists) { // here is a time gap when file doesn't exist for a while when being updated. // making the switch instantaneous would require another layer of indirection // - not using file_id as canonical id, but some other id, mapped to a file. // there would still remain a moment between mapping from old file to new file // involving two separate file items and a moment in time when during a switch // no file would match a filename, nor file id. gridfs.remove(currentId); } if (content instanceof File) { blob = gridfs.createFile((File) content); } else if (content instanceof InputStream) { blob = gridfs.createFile((InputStream) content); } else if (content instanceof ByteBuf) { blob = gridfs.createFile(((ByteBuf) content).array()); } else { throw new IllegalArgumentException("Unsupported value supplied: " + content.getClass()); } // meta data if (fileExists) { blob.setId(currentId); } blob.setFilename(fileInfo().getString("filename")); blob.setContentType(contentType != null ? contentType.toString() : "application/octet-stream"); blob.put("parent", fileInfo().getParentId()); blob.save(); String oid = blob.getId().toString(); return new GridFSFilesPathItemResource(ctx, getFilesRoot(), oid, new GridFSDBObject(blob), GridFSResourcePath.fromContext(ctx)); }
From source file:me.yyam.mongodbutils.MongoDbOperater.java
/** * GridFS/*from w w w . j av a2 s . c o m*/ * @param dbName ??? * @param fsName GridFS???fsnull? * @param queryMap GridFS? */ public void removeFsFile(String dbName, String fsName, Map queryMap) { DB db = mongoClient.getDB(dbName); if (fsName == null) { fsName = "fs"; } GridFS fs = new GridFS(db, fsName); DBObject query = new BasicDBObject(queryMap); fs.remove(query); }